12397704 has 64 divisors (see below), whose sum is σ = 34145280. Its totient is φ = 3720000.

The previous prime is 12397691. The next prime is 12397711. The reversal of 12397704 is 40779321.

12397704 = 173² + 174² + ... + 348².

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39709 + ... + 40019.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 2^12397704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12397704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17072640).

12397704 is an abundant number, since it is smaller than the sum of its proper divisors (21747576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12397704 is a wasteful number, since it uses less digits than its factorization.

12397704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 12397704 is about 3521.0373471464. The cubic root of 12397704 is about 231.4446188276. Note that the first 3 decimals are identical.

The spelling of 12397704 in words is "twelve million, three hundred ninety-seven thousand, seven hundred four".